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Possible memory issues with logstash 1.5.1 and higher (1.5.0 is OK) #3754
Running 1.5.1 and higher (I have tried all of them) causes the java process slowly taking more memory (as can be seen on screenshot below), ending up with GBs of memory consumed. The Java Heap is fine as can be seen from the screenshots - I suspect the native memory usage to be the problem here. I have tried to remove all filters and elasticsearch output (just keeping the inputs and stdout output) with the same result. On 1.5.0 this doesn't happen (as can be seen on screenshot below).